Manufacturer Part Number
NCV47821PAAJR2G
Manufacturer
onsemi
Introduction
Low drop-out regulator suitable for automotive applications
Product Features and Performance
Output Configuration: Positive
Output Type: Adjustable
Dual Regulator Design
Input Voltage up to 45V
Output Voltage Range: 3.3V to 20V
Dropout Voltage: 0.5V @ 200mA
Output Current: 200mA
Quiescent Current: 1 mA
Supply Current: 25 mA
Power Supply Rejection Ratio (PSRR): 75dB @ 100Hz
Temperature Operation Range: -40°C to 150°C
Control features include Enable function
Protection against Over Current and Over Temperature
Automotive Grade Quality
Meets AEC-Q100 standards for automotive reliability
Product Advantages
Low dropout voltage enhances efficiency
Support for high input voltage applications
Adjustable output provides design flexibility
High PSRR minimizes supply noise impact
Robust thermal performance for high-temperature environments
Integrated enable feature for power sequencing
Comprehensive protection features ensure reliability under fault conditions
Key Technical Parameters
Voltage - Input (Max): 45V
Voltage - Output (Min/Fixed): 3.3V
Voltage - Output (Max): 20V
Voltage Dropout (Max): 0.5V @ 200mA
Current - Output: 200mA
Current - Quiescent (Iq): 1 mA
Current - Supply (Max): 25 mA
PSRR: 75dB (100Hz)
Quality and Safety Features
AEC-Q100 Qualified
Over Current Protection
Over Temperature Protection
Compatibility
Tape & Reel (TR) Packaging for Automated Assembly
Surface Mount Technology (SMT)
14-TSSOP (0.173", 4.40mm Width) Exposed Pad for superior heat dissipation
Application Areas
Automotive Electronics
Power Management Systems
Consumer Electronics
Industrial Control Systems
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Replacement or Upgrade options available
Several Key Reasons to Choose This Product
Dual regulator design allows for multiple outputs from a single device
Robust compliance with automotive standards ensures high reliability
Adjustable output voltage caters to a wide range of application needs
High input voltage capacity suitable for various power systems
Low quiescent current aids in power conservation
High PSRR provides stable operation despite input power fluctuations
Comprehensive protection features safeguard against common electrical faults
Long product lifecycle with ongoing manufacturer support
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